paste <(seq 1000 | awk '{print $1/100.0}') <(cat ../all_x | xargs -n 2 ) > simu.txt
paste <(cat ../octave/t.txt) <(cat ../octave/y.txt) > octa.txt

gnuplot -p -e "set terminal pdf; set output \"1.pdf\";  set xrange [0:10]; set title \" \"; set grid; set xlabel \"时间（s）\"; set ylabel \"状态分量\";  plot 'simu.txt' u 1:2 w l  lt -1 lw 4 title \"仿真平台状态1\",   'simu.txt' u 1:3 w l lt -1 lw 2  title \"仿真平台状态2\",  'octa.txt' u 1:2 w p lt -1 pt 6 title \"Octave状态1\", 'octa.txt' u 1:3 w p lt -1 pt 4 title \"Octave状态2\";  "
